Finding the Fourth Proportional to 196.02, 270.51 and 108.69

Step by Step Solution

1. Step 1: Write the proportion equation
   196.02 : 270.51 = 108.69 : x
2. Step 2: Convert to fraction form
   196.02/270.51 = 108.69/x
3. Step 3: Cross multiply
   196.02x = 270.51 × 108.69
4. Step 4: Simplify right side
   196.02x = 29,401.73
5. Step 5: Solve for x
   x = 29,401.73/196.02
6. Step 6: Final answer
   x = 149.99